At the top of page on right side you have seen your profile
image, click on it or hove it. You will be see your previous created app and
option for create new app, click on it. Now
follow the below given steps:

Step 1: Create
new app ID pop up window will be open. Enter the name you want to display and
your email id will be listed there. You can also change the email id.

Step 2: Security
check pop up will be open. Enter the security check.

Step 3: You will
be redirected to app dashboard. Go to setting. You can see App id and secret. Enter
app website URL and you can also set your app domains, privacy page and terms
& condition page.